in react js code example

Example 1: what is react

This is a formatted version of Komadori's answer 
(https://tinyurl.com/Komadori)
React is a JavaScript library for building user interfaces. 
It is maintained by Facebook and a community of 
individual developers and companies. 
React can be used as a base in the development of single-page 
or mobile applications.

Example 2: react js documentation

//With node and npm already installed for basic start

npx create-react-app my-app-name

// if you want to use npm 

npx create-react-app my-app-name --npm

//if you want to use typescript 

npx create-react-app my-app-name --template typescript

yarn start // app will be hosted on localhost:3000

/* start making changes at ./my-app-name/src/App.js
	React documentation: https://reactjs.org/docs/hello-world.html
*/

Example 3: react.js

class ShoppingList extends React.Component {
  render() {
    return (
      

        
Shopping List for {this.props.name}
        

          
Instagram
          
WhatsApp
          
Oculus
        
      
    );
  }
}

// Example usage: 

Example 4: react component example

const element = 
;

Example 5: react quick tutorial

ReactDOM.render(  
    ,   
    document.getElementById("root")  
);